Underground Marvels

Ireland's Underground Alcatraz

TV-PG
S2 • E5    Sep 2, 2021    45m
Subterranean military fortresses situated on the southern coast of Ireland have protected against enemy invasion for over 400 years, and now, experts investigate how this powerful stronghold transformed into a brutal and terrifying prison.

Where to Watch Underground Marvels - S2 • E5

Cast of Ireland's Underground Alcatraz

  • Chris JarmanSelf - Narrator (voice)

 

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